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jn516x: flush only uart Tx FIFO in main loop, leaving Rx FIFO intact

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This commit is contained in:
Simon Duquennoy 2016-02-01 13:36:18 +01:00
parent 447286197f
commit 7c3108bf3b
3 changed files with 6 additions and 4 deletions
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2
platform/jn516x/contiki-jn516x-main.c
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@ -463,7 +463,7 @@ main_loop(void)
#endif /* DCOSYNCH_CONF_ENABLED */
/* flush standard output before sleeping */
uart_driver_flush(E_AHI_UART_0);
uart_driver_flush(E_AHI_UART_0, TRUE, FALSE);
/* calculate the time to the next etimer and rtimer */
time_to_etimer = clock_arch_time_to_etimer();

6
platform/jn516x/dev/uart-driver.c
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@ -589,19 +589,21 @@ uart_driver_tx_in_progress(uint8_t uart_dev)
*
* PARAMETERS: Name RW Usage
* uart_dev R UART to disable, eg, E_AHI_UART_0
* reset_tx R to reset the transmit FIFO
* reset_rx R to reset the receive FIFO
*
* RETURNS:
* void
*
****************************************************************************/
void
uart_driver_flush(uint8_t uart_dev)
uart_driver_flush(uint8_t uart_dev, bool_t reset_tx, bool_t reset_rx)
{
/* Disable TX Fifo empty and Rx data interrupts */
uart_driver_disable_interrupts(uart_dev);
/* flush hardware buffer */
vAHI_UartReset(uart_dev, TRUE, TRUE);
vAHI_UartReset(uart_dev, reset_tx, reset_rx);
vAHI_UartReset(uart_dev, FALSE, FALSE);
/* Re-enable TX Fifo empty and Rx data interrupts */

2
platform/jn516x/dev/uart-driver.h
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@ -58,7 +58,7 @@ void uart_driver_restore_interrupts(uint8_t uart_dev);
uint8_t uart_driver_tx_in_progress(uint8_t uart_dev);
#ifdef UART_EXTRAS
void uart_driver_flush(uint8_t uart_dev);
void uart_driver_flush(uint8_t uart_dev, bool_t reset_tx, bool_t reset_rx);
#endif
#endif /* UARTDRIVER_H */